Light propagation in a fibre-brush-shape converter

Weimin Sun; Haijiao Yu; Qi Yan; Fengjun Tian; Xiaoqi Liu; Yu Jiang; Zongjun Huang; Zhongwen Hu

doi:10.1117/12.927060

13 September 2012 Light propagation in a fibre-brush-shape converter

Weimin Sun, Haijiao Yu, Qi Yan, Fengjun Tian, Xiaoqi Liu, Yu Jiang, Zongjun Huang, Zhongwen Hu

Proceedings Volume 8450, Modern Technologies in Space- and Ground-based Telescopes and Instrumentation II; 845014 (2012) https://doi.org/10.1117/12.927060
Event: SPIE Astronomical Telescopes + Instrumentation, 2012, Amsterdam, Netherlands

Abstract

Optical fibres play more and more important roles in astronomy, for example, to transfer light from the focus point of telescopes to spectrometers. In this paper, a novel designed, a fibre-brush-shape converter was designed to transfer circle input of a fibre to a line-shape output. The brush-shape converter consists of several bare fibres at one end, one fibre at the other end and a taper between them. The light propagating from the bare fibres to the single fibre will be coupled. According to the theoretical and calculated results, the power of the light could be confined in the core of the fibre if the parameters of the taper are appropriate.

Citation Download Citation

Weimin Sun, Haijiao Yu, Qi Yan, Fengjun Tian, Xiaoqi Liu, Yu Jiang, Zongjun Huang, and Zhongwen Hu "Light propagation in a fibre-brush-shape converter", Proc. SPIE 8450, Modern Technologies in Space- and Ground-based Telescopes and Instrumentation II, 845014 (13 September 2012); https://doi.org/10.1117/12.927060

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